User contributions
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- 14:12, 17 November 2022 (diff | hist) . . (+1) . . 2022 AMC 10B Problems/Problem 23 (→Solution)
- 14:12, 17 November 2022 (diff | hist) . . (-24) . . 2022 AMC 10B Problems/Problem 23 (→Solution)
- 14:11, 17 November 2022 (diff | hist) . . (0) . . 2022 AMC 10B Problems/Problem 23 (→Solution)
- 14:11, 17 November 2022 (diff | hist) . . (+24) . . 2022 AMC 10B Problems/Problem 23 (→Solution)
- 14:11, 17 November 2022 (diff | hist) . . (-24) . . 2022 AMC 10B Problems/Problem 23 (→Solution)
- 14:10, 17 November 2022 (diff | hist) . . (-49) . . 2022 AMC 10B Problems/Problem 23 (→Solution)
- 14:10, 17 November 2022 (diff | hist) . . (+1) . . 2022 AMC 10B Problems/Problem 23 (→Solution)
- 14:10, 17 November 2022 (diff | hist) . . (+1) . . 2022 AMC 10B Problems/Problem 23 (→Solution)
- 14:09, 17 November 2022 (diff | hist) . . (+1) . . 2022 AMC 10B Problems/Problem 23 (→Solution)
- 14:09, 17 November 2022 (diff | hist) . . (+46) . . 2022 AMC 10B Problems/Problem 23 (→Solution)
- 14:08, 17 November 2022 (diff | hist) . . (-10) . . 2022 AMC 10B Problems/Problem 23 (→Solution)
- 14:08, 17 November 2022 (diff | hist) . . (-44) . . 2022 AMC 10B Problems/Problem 23 (→Solution)
- 14:07, 17 November 2022 (diff | hist) . . (+2) . . 2022 AMC 10B Problems/Problem 23 (→Solution)
- 14:06, 17 November 2022 (diff | hist) . . (+1,690) . . N 2022 AMC 10B Problems/Problem 23 (Created page with "==Solution== We use the following lemma to solve this problem. --------------------------------------- Let <math>y_1, y_2, \cdots, y_n</math> be independent random variables...")
- 14:03, 17 November 2022 (diff | hist) . . (+3,665) . . 2022 AMC 12B Problems/Problem 21
- 14:00, 17 November 2022 (diff | hist) . . (+579) . . N 2022 AMC 10B Problems/Problem 21 (Created page with "==Problem== Let <math>P(x)</math> be a polynomial with rational coefficients such that when <math>P(x)</math> is divided by the polynomial <math>x^2 + x + 1</math>, the remai...")
- 13:57, 17 November 2022 (diff | hist) . . (+1,221) . . N 2022 AMC 10B Problems/Problem 17 (Created page with "==Problem== One of the following numbers is not divisible by any prime number less than 10. Which is it? ==Solution== For A, modulo 3, <cmath> \begin{align*} 2^{606} - 1 &...")
- 13:54, 17 November 2022 (diff | hist) . . (+2,564) . . N 2022 AMC 10B Problems/Problem 24 (Created page with "==Problem== Consider functions <math>f</math> that satisfy <math>| f(x) - f(y) | \leq \frac{1}{2} |x-y|</math> for all real numbers <math>x</math> and <math>y</math>. Of all...")
- 13:44, 17 November 2022 (diff | hist) . . (+2,385) . . N 2022 AMC 10B Problems/Problem 20 (Created page with "==Problem== Let <math>ABCD</math> be a rhombus with <math>\angle ADC = 46^\circ</math>. Let <math>E</math> be the midpoint of <math>\overline{CD}</math>, and let <math>F</mat...")
- 13:28, 17 November 2022 (diff | hist) . . (+1,610) . . N 2022 AMC 10B Problems/Problem 14 (Created page with "==Problem== Suppose that <math>S</math> is a subset of <math>\left\{ 1, 2, 3, \cdots , 25 \right\}</math> such that the sum of any two (not necessarily distinct) elements of...")
- 20:17, 14 November 2022 (diff | hist) . . (+31) . . 2022 AMC 12A Problems/Problem 24 (→Solution)
- 20:15, 14 November 2022 (diff | hist) . . (+139) . . 2022 AMC 10A Problems/Problem 16
- 20:09, 14 November 2022 (diff | hist) . . (+139) . . 2022 AMC 10A Problems/Problem 25
- 20:56, 11 November 2022 (diff | hist) . . (-26) . . 2022 AMC 12A Problems/Problem 25 (→Solution)
- 20:56, 11 November 2022 (diff | hist) . . (-43) . . 2022 AMC 12A Problems/Problem 25 (→Solution)
- 20:55, 11 November 2022 (diff | hist) . . (+66) . . 2022 AMC 12A Problems/Problem 25 (→Solution)
- 20:54, 11 November 2022 (diff | hist) . . (+3,957) . . N 2022 AMC 12A Problems/Problem 25 (Created page with "==Problem== A circle with integer radius <math>r</math> is centered at <math>(r, r)</math>. Distinct line segments of length <math>c_i</math> connect points <math>(0,a_i)</mat...")
- 20:51, 11 November 2022 (diff | hist) . . (+2,333) . . N 2022 AMC 12A Problems/Problem 22 (Created page with "==Problem== Let <math>c</math> be a real number, and let <math>z_1</math> and <math>z_2</math> be the two complex numbers satisfying the equation <math>z^2 - cz + 10 = 0</mat...")
- 20:47, 11 November 2022 (diff | hist) . . (+124) . . 2022 AMC 12A Problems/Problem 16
- 20:43, 11 November 2022 (diff | hist) . . (+68) . . 2022 AMC 12A Problems/Problem 24 (→Solution)
- 20:41, 11 November 2022 (diff | hist) . . (+11) . . 2022 AMC 12A Problems/Problem 24 (→Solution)
- 20:41, 11 November 2022 (diff | hist) . . (+3,231) . . N 2022 AMC 12A Problems/Problem 24 (Created page with "==Problem== How many strings of length 5 formed from the digits 0, 1, 2, 3, 4 are there such that for each <math>j \in \{1,2,3,4\}</math>, at least <math>j</math> of the digi...")
- 20:38, 11 November 2022 (diff | hist) . . (+126) . . 2022 AMC 12A Problems/Problem 20
- 20:36, 11 November 2022 (diff | hist) . . (+600) . . N 2022 AMC 12A Problems/Problem 19 (Created page with "==Problem== Suppose that 13 cards numbered 1, 2, 3, . . . , 13 are arranged in a row. The task is to pick them up in numerically increasing order, working repeatedly from lef...")
- 20:32, 11 November 2022 (diff | hist) . . (+39) . . 2022 AMC 12A Problems/Problem 18 (→Video Solution by Professor Chen Education Palace)
- 20:31, 11 November 2022 (diff | hist) . . (+126) . . 2022 AMC 12A Problems/Problem 15
- 20:30, 11 November 2022 (diff | hist) . . (+773) . . 2022 AMC 12A Problems/Problem 16 (→Solution)
- 20:28, 11 November 2022 (diff | hist) . . (+33) . . 2022 AMC 12A Problems/Problem 23 (→Solution)
- 20:27, 11 November 2022 (diff | hist) . . (+13) . . 2022 AMC 12A Problems/Problem 23 (→Solution)
- 20:26, 11 November 2022 (diff | hist) . . (+1) . . 2022 AMC 12A Problems/Problem 23 (→Solution)
- 20:26, 11 November 2022 (diff | hist) . . (+4) . . 2022 AMC 12A Problems/Problem 23 (→Solution)
- 20:26, 11 November 2022 (diff | hist) . . (+4) . . 2022 AMC 12A Problems/Problem 23 (→Solution)
- 20:26, 11 November 2022 (diff | hist) . . (+243) . . 2022 AMC 12A Problems/Problem 23 (→Solution)
- 20:22, 11 November 2022 (diff | hist) . . (+11) . . 2022 AMC 12A Problems/Problem 23 (→Problem)
- 20:22, 11 November 2022 (diff | hist) . . (+13) . . 2022 AMC 12A Problems/Problem 23 (→Solution)
- 20:21, 11 November 2022 (diff | hist) . . (-212) . . 2022 AMC 12A Problems/Problem 23 (→Solution)
- 20:20, 11 November 2022 (diff | hist) . . (+242) . . 2022 AMC 12A Problems/Problem 23
- 20:19, 11 November 2022 (diff | hist) . . (+1,282) . . N 2022 AMC 12A Problems/Problem 23 (Created page with "==Problem== Let <math>h_n</math> and <math>k_n</math> be the unique relatively prime positive integers such that \[ \frac{1}{1} + \frac{1}{2} + \frac{1}{3} + \cdots + \frac{...")
- 20:04, 11 November 2022 (diff | hist) . . (+528) . . N 2022 AMC 12A Problems/Problem 18 (Created page with "==Problem== Let <math>T_k</math> be the transformation of the coordinate plane that first rotates the plane <math>k</math> degrees counter-clockwise around the origin and the...")
- 19:59, 11 November 2022 (diff | hist) . . (+547) . . N 2022 AMC 12A Problems/Problem 16 (Created page with "==Problem== A \emph{triangular number} is a positive integer that can be expressed in the form <math>t_n = 1+2+3+\cdots+n</math>, for some positive integer <math>n</math>. Th...")
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